diff --git a/src/stores/chat/chat-machine.ts b/src/stores/chat/chat-machine.ts
index 8c7d6828..5a568844 100644
--- a/src/stores/chat/chat-machine.ts
+++ b/src/stores/chat/chat-machine.ts
@@ -11,21 +11,7 @@
  * **状态结构**（parent state 模式）：
  *   - `idle`：屏没挂 / 登出
  *   - `guestSession`（**parent**）：游客会话 —— **不** invoke WS
- *     - `initializing`：**双** invoke + `always` barrier
- *       - `loadQuotaActor`（**纯** local，ChatStorage **日**配 + 总**配**）
- *       - `loadHistoryActor`（local → network → save 3 步）
- *       - 2 **个** `quotaLoaded` / `historyLoaded` **都** true **才**进** ready
- *     - `ready`：用户聊天 + 看消息
- *     - `sending`：invoke sendMessageHttpActor（HTTP 发送消息）
- *     - ~~`loadingMore`~~：**已**删**（游客**无**服**务**端** history，**不**支持翻**页**）
  *   - `userSession`（**parent**）：非游客会话 —— **invoke WS**（持久）
- *     - 父级 invoke `chatWebSocket`（**一**进**来****就**连）
- *     - `initializing`：invoke `loadHistory` + `always` barrier
- *       - WS **已**连** + history **加**载**完**成** → ready
- *     - `ready`：用户聊天 + 看消息
- *     - `sending`：invoke sendMessageHttpActor（HTTP fallback —— WS 真发**未** wire）
- *     - `loadingMore`：invoke loadMoreHistory（**翻**页**，**保**留**）
- *   WS 在 `userSession` parent 状态 invoke —— 跨 initializing/ready/sending/loadingMore 持续
  *
  * **init 双任务**（**核**心**重**构**）：
  *   - guestSession.initializing：loadQuota + loadHistory **并**行**（`invoke: [...]` **数**组**）
@@ -42,20 +28,11 @@
  *   - 非游客"无消息限制"（业务事实）—— 永不被赋值
  *   - `appendUserMessage` 减 `context.wsConnected ? q : Math.max(0, q-1)` —— WS 已连时**不**递减
  *
- * **文件结构**：
- *   - `chat-machine.ts`（本文件）—— **只**含 setup + createMachine（actions + states）
- *   - `chat-machine.helpers.ts` —— 纯函数 + 数据加载（readGuestQuota + readAndSyncHistory）
- *   - `chat-machine.actors.ts` —— 5 个 XState actor（loadQuota + loadHistory + sendMessage + loadMoreHistory + chatWebSocket）
- *
- * **日**志**策略**（**清**理**后**）：
- *   - **不**在**状**态**机**文**件**中**打**追踪**日**志**（actor / helper / action **本**身**有** ENTRY / DONE **日**志**，**就**够**排查**了）
- *   - `appendUserMessage` / `appendUserImage` / `appendOrUpdateAISentence` 这 3 **个** action `assign` **内**部**保**留** `console.log`（**记**录** action **本**身**的**业**务**决**策**，**比**如** quota 减**少** / isFromAI 标**记**）
- *   - **所**有** actor ENTRY / API / DONE **全**链**日**志**放**在** `chat-machine.actors.ts`
- *   - **所**有** helper 数据**加**载**日**志**（`readGuestQuota` / `readAndSyncHistory` 3 **步**）放**在** `chat-machine.helpers.ts`
  */
 
 import { setup, assign } from "xstate";
 
+import { ChatStorage } from "@/data/storage/chat/chat_storage";
 import { formatDate } from "@/utils/date";
 
 import { ChatState, initialState } from "./chat-state";
@@ -98,19 +75,28 @@ export const chatMachine = setup({
     appendUserMessage: assign(({ context, event }) => {
       if (event.type !== "ChatSendMessage") return {};
 
-      const newQuota = context.wsConnected
+      // 两**个**额度**同**步**更**新**：WS 已**连****不**递减（**实**时**会**话**不**消耗**），HTTP **必**须**减
+      const newRemaining = context.wsConnected
         ? context.guestRemainingQuota
         : Math.max(0, context.guestRemainingQuota - 1);
+      const newTotal = context.wsConnected
+        ? context.guestTotalQuota
+        : Math.max(0, context.guestTotalQuota - 1);
+
+      // 持**久**化**两**个**额度**（** fire-and-forget，**不** await —— assign **是** sync）
+      // daily quota 需**要** today **字**符**串**（**让** ChatStorage 跨**天**判**断** reset）
+      const today = formatDate();
+      ChatStorage.getInstance().setGuestDailyChatQuota(newRemaining, today);
+      ChatStorage.getInstance().setGuestTotalQuota(newTotal);
 
       console.log("[chat-machine] appendUserMessage", {
         contentLength: event.content.length,
         contentPreview: event.content.slice(0, 50),
-        oldMessagesCount: context.messages.length,
-        newMessagesCount: context.messages.length + 1,
-        wsConnected: context.wsConnected,
         quotaMode: context.wsConnected ? "ws (no decrement)" : "http (decrement)",
-        oldQuota: context.guestRemainingQuota,
-        newQuota,
+        oldRemaining: context.guestRemainingQuota,
+        newRemaining,
+        oldTotal: context.guestTotalQuota,
+        newTotal,
         isReplyingAI: true,
       });
 
@@ -120,25 +106,35 @@ export const chatMachine = setup({
           {
             content: event.content,
             isFromAI: false,
-            date: formatDate(),
+            date: today,
           },
         ],
         isReplyingAI: true,
-        guestRemainingQuota: newQuota,
+        guestRemainingQuota: newRemaining,
+        guestTotalQuota: newTotal,
       };
     }),
 
     appendUserImage: assign(({ context, event }) => {
       if (event.type !== "ChatSendImage") return {};
-      const newQuota = context.wsConnected
+      // **同** appendUserMessage：两**个**额度**同**步**减
+      const newRemaining = context.wsConnected
         ? context.guestRemainingQuota
         : Math.max(0, context.guestRemainingQuota - 1);
+      const newTotal = context.wsConnected
+        ? context.guestTotalQuota
+        : Math.max(0, context.guestTotalQuota - 1);
+      const today = formatDate();
+      void ChatStorage.getInstance().setGuestDailyChatQuota(newRemaining, today);
+      void ChatStorage.getInstance().setGuestTotalQuota(newTotal);
       console.log("[chat-machine] appendUserImage", {
         oldMessagesCount: context.messages.length,
         wsConnected: context.wsConnected,
         quotaMode: context.wsConnected ? "ws (no decrement)" : "http (decrement)",
-        oldQuota: context.guestRemainingQuota,
-        newQuota,
+        oldRemaining: context.guestRemainingQuota,
+        newRemaining,
+        oldTotal: context.guestTotalQuota,
+        newTotal,
       });
       return {
         messages: [
@@ -146,12 +142,13 @@ export const chatMachine = setup({
           {
             content: "[Image]",
             isFromAI: false,
-            date: formatDate(),
+            date: today,
             imageUrl: event.imageBase64,
           },
         ],
         isReplyingAI: true,
-        guestRemainingQuota: newQuota,
+        guestRemainingQuota: newRemaining,
+        guestTotalQuota: newTotal,
       };
     }),
 
@@ -290,7 +287,6 @@ export const chatMachine = setup({
                 guard: ({ event }) => event.content.trim().length > 0,
                 target: "sending",
               },
-              // 兜**底**：**内**容**空** / 什**么**都**不**匹**配** → **静**默**丢**弃**
             ],
             // **配**额**检**查** + 发**送**图**片**（**同**样** 3 **条** guard，**不**检**查** "内**容**空"**）
             ChatSendImage: [